Because you like The Wicked Witch of the West in The Wizard of Oz
Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.
Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.
Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.
Wei Shen is an undercover cop on a mission for justice (or at least vengeance). See them in Sleeping Dogs.
Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.
Yoda is wise, patient, and capable of kicking ass. He's done his best to mentor young Jedi and protect the balance of Light and Dark. See them in Star Wars Series.
Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.
A beacon of positivity with a brilliant legal mind to boot, Elle Woods breaks down stereotypes about what girls can and can't do. See them in Legally Blonde.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.